Credits found by opening the shaders in Notepad. Credit to Matsilagi for porting and compiling the good stuff from RetroArch.
Download
B2CRTEMU.7z
https://github.com/onoda-dev/onoda/blob/master/B2CRTEMU.7z
Install directory for reference:
C:\Program Files(x86)\Steam\steamapps\common\Blasphemous 2/
Cheers
Onoda